Contents
- Weather in August
- Frequently asked questions
- Average temperature in August
- Average pressure in August
- Average wind speed in August
- Average humidity in August
- Average rainfall in August
- Average rainfall days in August
- Average snowfall in August
- Average snowfall days in August
- Average daylight in August
- Average sunshine in August
- Average sunshine days in August
- Average UV index in August
- Average cloud cover in August
- Average visibility in August
Weather in August
Temperature
The transition to August results in a modest reduction in average high-temperature, moving from a refreshing 67.3°F (19.6°C) in July to a moderate 60.4°F (15.8°C). Nighttime temperatures consistently average a frosty 45°F (7.2°C) during August.Humidity
In Koyukuk, the average relative humidity in August is 78%.Rainfall
August is the month with the most rainfall. Rain falls for 19 days and accumulates 2.05" (52mm) of precipitation.Snowfall
In Koyukuk, snow does not fall in June through August.Daylight
The average length of the day in August is 16h and 26min.On the first day of August, sunrise is at 5:33 am and sunset at 11:40 pm. On the last day of the month, sunrise is at 7:10 am and sunset at 9:50 pm AKDT.
Sunshine
The average sunshine in August in Koyukuk, Alaska, is 7.3h.UV index
In August, the average daily maximum UV index is 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for average individuals.Note: In August, the maximum UV index of 3 translates into these guidelines:
Be vigilant - A duty to shield skin and eyes from injury exists. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Remember to consider! The UV radiation from the Sun can be intensified nearly twice by the reflection of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in August?
What is the average humidity in August?
What is the wettest month?
How much does it rain in Koyukuk in August?
When it does not snow?
Does it snow in August?
How many hours of daylight does Koyukuk have in August?
When are sunrise and sunset in August?
How many hours of sunshine does Koyukuk have in August?
What is the UV index intensity in August?
Average temperature in August
Koyukuk, AK
- Average high temperature in August: 60.4°F
The warmest month (with the highest average high temperature) is July (67.3°F).
The month with the lowest average high temperature is January (-0.8°F).
- Average low temperature in August: 45°F
The month with the highest average low temperature is July (49.5°F).
The coldest month (with the lowest average low temperature) is January (-10.5°F).
Average pressure in August
Koyukuk, AK
- Average pressure in August: 29.83"Hg
The month with the highest atmospheric pressure is February (29.93"Hg).
The months with the lowest atmospheric pressure are September and October (29.76"Hg).
Average wind speed in August
Koyukuk, AK
- Average wind speed in August: 4.9mph
The windiest month (with the highest average wind speed) is September (5.2mph).
The calmest month (with the lowest average wind speed) is January (4.6mph).
Average humidity in August
Koyukuk, AK
- Average humidity in August: 78%
The months with the highest relative humidity are January, February and March (96%).
The month with the lowest relative humidity is June (59%).
Average rainfall in August
Koyukuk, AK
- Average rainfall in August: 2.05"
The wettest month (with the highest rainfall) is August (2.05").
The driest month (with the least rainfall) is January (0.59").
Average rainfall days in August
Koyukuk, AK
- Average rainfall days in August: 19 days
The month with the highest number of rainy days is August (19 days).
The months with the least rainy days are January and February (2.3 days).
Average snowfall in August
Koyukuk, AK
- Average snowfall in August: 0"
The month with the highest snowfall is December (8.62").
The months with the least snowfall are June, July and August (0").
Average snowfall days in August
Koyukuk, AK
- Average snowfall days in August: 0.1 days
The month with the highest number of snowfall days is March (20.3 days).
The months with the least snowfall days are June and July (0 days).
Average daylight in August /
Average sunshine in August
Koyukuk, AK
- Average daylight in August: 16h and 2min
The month with the longest days is June (Average daylight: 21h and 30min).
The month with the shortest days is December (Average daylight: 4h and 0min).
- Average sunshine in August: 7h and 2min
The month with the most sunshine is May (Average sunshine: 8h and 6min).
The month with the least sunshine is December (Average sunshine: 2h and 18min).
Average sunshine days in August
Koyukuk, AK
- Average sunshine days in August: 9.2 days
The month with the most sunshine days is January (18 days).
The month with the least sunshine days is April (6.5 days).
Average UV index in August
Koyukuk, AK
- Average UV index in August: 3
The months with the highest UV index are May, June and July (UV index 4).
The months with the lowest UV index are January, February, March, October, November and December (UV index 1).
Average cloud cover in August
Koyukuk, AK
- Average cloud cover in August: 61
The month with the most cloud cover is April (Cloud cover 77).
The month with the least cloud cover is June (Cloud cover 47).
Average visibility in August
Koyukuk, AK
- Average visibility in August: 5mi
The months with the highest visibility are June and July (6mi).
The months with the lowest visibility are January, February, March, April and December (2mi).
Koyukuk, Alaska, USA
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